baber/WOPTO huggingface dataset:
Patent DE-3917110-A1 (DE)
Inventor: AUFENVENNE MARTIN
IPC: B65B9/13
Filed: 1989-05-26
Abstract: The invention relates to a method for wrapping products (2) - in particular stacked product parts such as, and in particular, substantially parallelipipedic or cubic product stacks consisting of a plurality of superposed and substantially flush layers of product - by means of a tubular section (1) of stretchable film whose original circumference is less than the circumference of the product (2) to be wrapped which, before being drawn over the product, is stretched in its circumferential direction to an extent which makes it possible to draw it effortlessly over the product, and which, after being drawn over, rests closely on the product with the expansion being retained, the section of stretchable film being sealed off at one of its ends, with the formation of a welded joint (13), to form a hood (1') of (stretchable) film, the weld extending, after wrapping, substantially centrally and parallel to two mutually opposite edges of the end faces (17) of the product, the length L of the welded joint being at least about 85 to 90% of the length of the edges of the end faces of the product stack which, in the wrapped state, are parallel to the said weld, and a device for carrying out the abovementioned method and a packaging unit to be formed by means of the abovementioned method and/or of the abovementioned device. <IMAGE>
Patent DE-3917577-A1 (DE)
Title: Weed killer
Inventor: BALOGH KAROLY DR
IPC: A01N47/12
Filed: 1989-05-30
Abstract: The invention relates to selective weed killers which contain antidotes, comprising as herbicidal active substance chloroacetanilide derivatives of the general formula I <IMAGE>  in which     R1 and R2 are each a hydrogen atom or C1-4-alkyl group, R3 is an n-propyl, isopropyl, methoxymethyl, methoxyethyl or 2-methoxy-1 methylethyl group, as antidote, dichloroacetamide derivatives of the general formula II   <IMAGE>  in which   R4 and R5 independently of one another are a C2-4-alkenyl group, a (C1-4-alkoxy)-(C1-4-alkoxy)-(C1-4-alkyl) group or a (C2-4-alkenylaminocarbonyl-(C1-4-alkyl) group, or R4 and R5 together may optionally form a 4-7-membered saturated ring which is interrupted by an oxygen atom and which may optionally be substituted by not more than three methyl groups, or 2-methyl-2-(dichloromethyl)dioxolane, 2-methyl-2-(dichloromethyl)-4-ethyldioxolane or 1,8-naphthoic anhydride, and as protective agent thiocarbamate derivatives of the general formula III <IMAGE>  in which   R6, R7 and R8 independently of one another are a C1-4-alkyl group or   R6 and R7 alternatively may be a C4-6-cycloalkyl group or may form a 5-7-membered saturated ring.   In the compositions according to the invention the ratio by mass of the active substance chloroacetanilide to the known antidote + protective agent thiocarbamate is 50:1-5:1, whereas the ratio by mass of the known antidote and of the... Original abstract incomplete.
Patent DE-3920746-A1 (DE)
Inventor: YAMATO TOETSU
IPC: E01C5/06
Filed: 1989-06-24
Abstract: A cement concrete pavement of excellent water-permeability is composed of a hardened cement concrete mixture of:  300 - 400 kg of portland cement; 0.008 - 0.04 part by weight of binder per part by weight of said cement; 0.03 - 0.45 part by weight of water per part by weight of said cement; and an aggregate forming the balance of the mixture and composed of sand and No. 7 crushed stone in a weight ratio within the range of from 5:95 to 20:80, substantially uniformly distributed per m<3>, and the wear surface of the hardened cement concrete mixture having been treated to remove cement mortar adhering to aggregate at said surface. The binder may be an emulsion of synthetic resin or a rubber and the surface may be treated by a shot-blasting machine.
Patent DE-3924917-A1 (DE)
Title: Ball spindle nut transfer mechanism - has recesses on both sides of nut to take balls
Inventor: LEONTIN CIGAN DR ING
IPC: F16H25/22
Filed: 1989-07-27
Abstract: The transfer mechanism for a ball spindle nut has at least one single-pitch threaded screw, at least one nut, a pretensioning ring, stripper cassettes and rotating parts for the balls.  The nut (2) has on both sides recesses (a) whose curvature is determined by a radious (c) so that each ball (3) on the rolling path of the spindle engages in the spindle through a groove (b) of a rotating part (4) with a deviation from the tangential direction to the centre(s) of the ball of less than 10 deg. Each ball moves from the groove (n) of the rotating parts (4) into the circular recesses (a) on a surface of the nut (2) wherein the recesses (a) are restricted at the closed end by a cylinder face whose centre of curvature lies on an axis (m) which forms an angle of 2 to 3 deg. with a perpendicular axis.  A processed longitudinal groove is provided via which each ball emerging from the recesses on the surface of the nut (2) can move into the body of the nut and then into the recesses on the other face of the nut and finally through another rotating part (4) up to the other end of the rolling path of the spindle (1). USE/ADVANTAGE - Ball spindle nut transfer mechanism.  The  ball rotation follows the outer body of the nut which increases the main dimensions for the same dynamic output.
Patent DE-3936078-A1 (DE)
Title: Vortex chamber for cyclone dust separator - has tangential inlet ducts arranged in rotational symmetry
Inventor: SLOWIK GUENTER DR ING
IPC: B04C3/06
Filed: 1989-10-30
Abstract: The cyclone type dust separator hasa  vortex generator which has a rotationally symmetrical vortex chamber (1) with one or more symmetrically arranged inlets (5).  The vortex chamber is connected to the separation chamber (6) by a rotationally symmetric outlet (7). The axis of symmetry of the vortex chamber coincides with the axis of symmetry of the cyclone separator.  Each inlet opening of the vortex chamber has atangential supply duct (8). The cross-sectional area of the supply ducts and the corss-sectional area of flow into the vortex difference at the points of connection with the inlet ducts have a max. difference of 50 percent. USE - Cyclone type dust separators.
Patent DE-3943518-A1 (DE)
Title: Wavefront detector for laser beam - contains collimating lens array and array of reflecting elements with pivot drive controlled for error compensation
Inventor: PLEIKIES REINHARD DIPL ING
IPC: G01J5/34
Filed: 1989-06-15
Abstract: A laser beam wavefront detection arrangement contains a four quadrant detector array (14) behind a collimating lens array (80).  Each element in an optical reflecting array (78), arranged before the collecting array in the beam direction, is associated with a defined lens of the collimating array and can be pivoted about two mutually inclined axes by drives (98). The drives are connected to a controller (116) which achieves error compensation by adjusting the focal point of the partial beams (78) to the centres of the four quandrant detectors. ADVANTAGE - Compensates for systematic tolerances and temp.-dependent errors.
Patent DE-4000821-A1 (DE)
Title: Improving corrosion resistance of anodised aluminium die cast parts - by sealing in chromate bath followed by hot water bath
Inventor: FENZL MAX
IPC: C25D11/24
Filed: 1990-01-13
Abstract: The corrosion resistance of anodised Al alloy part. esp.  having high Si and/or Cn contents, is increased by sealing in a two stage process. The first stage takes place in a K2- or Na2Cr2O7 bath and after rinsing in a second hot water bath. USE/ADVANTAGE - Treating Al die cast alloy oxide layers, esp.  those present in parts used for brake manufacture. The corrosion resistance after 240 hrs in a salt mixt. is good as no corrosion signs are visible.
Patent DE-4003521-A1 (DE)
Title: Hydraulic clutch actuation system - has master cylinder connected to slave cylinder by two pipes to damp out vibration
Inventor: PRIWITZER MICHAEL DIPL ING
IPC: G10K11/16
Filed: 1990-02-06
Abstract: The motor vehicle has an engine (1) which drives the vehicle wheels (4) through a clutch (2) and gear box (3). The clutch is hydraulically actuated, by means of a pedal (5), a master cylinder (6), and a slave cylinder (8). - The master cylinder (6) is connected to the slave cylinder (8) by two pipes (7',7'') of different lengths arranged in parallel and connected to each other by T-pieces (9). Any vibrations generated in the system interfere with each other at the second T-piece (9), and so are damped out and are not transmitted to the clutch (2). This principle can be applied to any system of hydraulic actuation.
Patent DE-4009117-A1 (DE)
Inventor: HEINDL JOSEF DR
IPC: C07C59/48
Filed: 1990-03-19
Abstract: The invention concerns leucotriene B4 analogues of formula (I), in which R1 is the residue COOR<2>, R<2> being a hydrogen atom or a (C1-C4)-alkyl group, or R<1> is the residue CH2OH, B is an alkylene group with 1 to 3 C-atoms in the chain, a residue (a) or a residue (b) in which R<3> is a hydrogen atom, a carboxyl group or a methoxycarbonyl group, A is the (c), -O-, (d), -NH-CO-, -CO-NH-, -OCH2-, -CH=CH-, (e), -COCH2- or -CHOH-CH2-group, X is N or CH, D is a (f) or (g) group and (h) is a single or double bond, as well as, optionally, the salts of these compounds with physiologically safe bases, methods of preparing them and their use in pharmaceutical preparations.
Patent DE-4015301-A1 (DE)
Title: Overvoltage protection indicator for electrical plants - has safety output devices in branches from phase lines to varistors unit with remote signalling relays
Inventor: JORDAN ERNST-GUENTER ING GRAD
IPC: H02H3/04
Filed: 1990-05-12
Abstract: A housing (G) encloses four voltage-dependent resistors (V1,V3,VN) connected to earth from the three phase lines (L1-L3) and neutral line (N) respectively. Remote fault indication (D) is given by relays (R1-R3) with contacts (SR1-SR3) in series with a common switch (S1). In each phase line branched to the varistors (V1-V3) a safety cutout (VS1-VS3) is inserted so that in the event of a fault in any one of these, a signal is sent by a switching pulse to a central monitoring and indicating device. ADVANTAGE - Correct functioning of safety cutouts is more easily checked by reference to central monitor.
Patent DE-4016730-A1 (DE)
Title: Support pillar for car body frame - incorporates interior reinforcement tube
Inventor: HENSELER WOLFGANG
IPC: B62D25/04
Filed: 1990-05-24
Abstract: The support pillar is formed as a column-like hollow body (1, 2, 12). A tube (4) is fastened inside the body by holders (3), to form a reinforcement for the pillar. The holders may be formed by a carrier, partly enclosing the tube on one side. It is fastened between two profiled sections (1, 2), which form front and rear of the pillar. USE/ADVANTAGE - Support pillar in vehicle gives increased stability against deformation loads.
Patent DE-4017000-A1 (DE)
Title: Mould producing tubular ceramic articles - consists of hollow cylinder made of plaster of paris
Inventor: KLINT WALTER DR
IPC: B28B1/26
Filed: 1990-05-26
Abstract: The mould is used to make tubular article (15) from ceramic material. The mould consists of a hollow cylinder (2), made of porous material, such as plaster of Paris, which is enclosed in a gas-tight housing (3). This housing (3) has an inlet (4) for supplying compressed air to the interior (5) of the mould (2). The housing also has an inlet for supplying the mould with ceramic in paste form. The mould (2) is surrounded by a layer of granular material (6) which fills the space between the outside surface of the mould (2) and the gas-tight housing (3). USE - Producing tubular ceramic articles.
Patent DE-4020731-A1 (DE)
Inventor: ANDERS KLAUS
IPC: H05B41/36
Filed: 1990-06-29
Abstract: A power supply for a heating device (20) of a heated display (10), especially of a fluorescent display, is proposed. A DC voltage source supplies the display voltage for the display and a heating current source for the heating device is constructed as a clock device (21, 19), pulsing the display voltage. In this way, the inherently low heating voltage can be derived from the higher display voltage, it being possible to save expensive, large-volume ballast elements and reduce the power loss. <IMAGE>
Patent DE-4022678-A1 (DE)
Title: Strain relief for multiway screened cable connector assembly - uses extended shroud to clamp screen and lock pins within outer cover
Inventor: KREUTTER ERICH
IPC: H01R13/58
Filed: 1990-07-17
Abstract: At the termination of a multicore cable, a plug-connector, housed in a hard-plastic sheath (15), is fastened to the plug-screen by a rectangular collar with four extended winge (30a,b,c,d) which hold the pin insulation-block (50) into position and form the screen-termination. At the pin-block two shorter extensions (38,38') are inwardly bent to hold the block longitudinally (26). They also extend backwards to enclose and clamp the cable screen by means of a crimped metal collar (48) placed around their ends.  These ends are bent outwards to engage with the plug housing (46) thus preventing any longitudinal movement within the whole assembly. ADVANTAGE - The collar is large enough to accommodate a wide range of cable sizes, it is simpler in assembly and  provides firm anchorage within the plug body.
Patent DE-4025246-A1 (DE)
Title: Paper-making suction guide roller - has valves in radial mantle drillings closed by centrifugal force but held open by paper web at contact zone
Inventor: SCHIEL CHRISTIAN
IPC: D21F5/04
Filed: 1990-08-09
Abstract: The suction roller (10) in the path of a paper wed after the drying section of a papermaking machine, esp. a suction guide roller, has drillings (15) in the roller mantle (13) in at least a section where each has a valve (16) which can move and is closed by centrifugal force through the mantle rotation. The valves (16) with radial movement, extend slightly beyond the outer surface of the roller mantle (13) so that, at the roller zone (U) where the web passes round the roller, the valves (16) are held open temporarily by the pressure of the paper web (9). Each valve is pref. inserted into the required radial drilling (15) with a sleeve forming the valve seat , and which allows the valve body (16) to move within it.  The valve seat is formed by the end face of the sleeve projecting radially inwards. The moving valve body (16) apart from a connecting piece such as a valve plate acting with the valve seat, has a guide body with longitudinal channels to link the valve seat with the outer surface of the roller mantle (13) when the valve is open. ADVANTAGE - The roller has no inner chambers, and the suction within the roller is applied progressively at the outer side of the roller mantle.
Patent DE-4025658-A1 (DE)
Title: Gearchange mechanism for vehicle - has lower and side transmission linkages to gearbox via hydraulic system providing more compact construction
Inventor: WEIGEL ULRICH
IPC: F16H61/30
Filed: 1990-08-14
Abstract: The gear change linkage in a vehicle has universal joint operation. The gear lever (1) locates through the universal joint (2) into the transmission lever (6), the end of which controls the hydraulic transmission unit to the gearbox. The gear lever moves in an axis (5) parallel to the vehicle longitudinal axis, and has a second, side linkage lever (7) for gear preselection.  The lower half of the linkage casing (2b), which encapsulates the universal joint, has a lower conical opening (11) in the region of the transmission lever. USE/ADVANTAGE - Lower, more compact construction.
Patent DE-4025955-A1 (DE)
Title: Discharge of hot gas and slag from reaction to cooling chamber - in gasifier for partial oxidn. of powder form fuels avoids slagging troubles and need for additional heating
Inventor: BRAUSSE REINHARD DIPL ING
IPC: C10J3/52
Filed: 1990-08-16
Abstract: Appts. for the discharge of hot gas and slag from a reaction chamber into a cooling chamber has a spiral tube with adjacent coils joined together so as to be gas-tight; the tube has inlet and outlet connections for a coolant, and forms an assembly with a circular upper part under which there is a cylindrical section. The cylindrical section has a fire-resistant protective layer that extends to a horizontal ring of segments attached to the tube. USE/ADVANTAGE - Is mainly for use in reactors producing gases contg. CO and H2 by partial oxidn. of powder-form fuels. It offers long service-life, with a minimum of slagging troubles in the cooling section, in partic. where an immersion tube is used, and avoids the need for additional heating.
Patent DE-4037944-A1 (DE)
Title: Hand working and/or cleaning device for inner or outer threads - has brush elements rotated by motor drive and freely rotatable tubular body in housing
Inventor: FREYMANN WILFRIED
IPC: B23G9/00
Filed: 1990-11-29
Abstract: The tubular body fitted in the housing (4) has at one end a coupling component for connection with the output of the drive. At its other end, it supports a holder which is connected to it via pick-ups for drive purposes. In the holder three or more brush elements are exchangeably arranged specifically spaced peripherally. The tubular body has slots which are open to the face end and running in the direction of the tube axis for engagement of the fillet-shaped brush elements. Each brush element has a widened rear part which in the direction of the axis of the tubular body are exchangeably insertable in a back-cut longitudinal groove of the holder. USE - For cleaning the threads of nuts, screws, pins, bars, bolts or similar.
Patent DE-4039348-A1 (DE)
Inventor: OSBERGHAUS RAINER DR
IPC: C11D1/28
Filed: 1990-12-10
Abstract: The substantially aqueous carpet-cleaning concentrate proposed contains an alkali-metal or ammonium salt of sulphonated oleic acid as the surfactant component. The cleaning agent produces particularly small quantities of foam in the conditions of use and is suitable for cleaning large areas of textile material, in particular fitted carpets, preferably using a spray-extraction cleaner.
Patent DE-4040090-A1 (DE)
Title: Linear assembly line on module basis - has assembly path and return line for pallets, all made of identical modular lengths
Inventor: NEUBERG JOACHIM
IPC: B65G35/08
Filed: 1990-12-14
Abstract: The linear assembly system has pallets (4) for holding the components to be assembled wherein the pallets are moved along the assembly line (19) by a drive and then returned to the beginning of the line along a return conveyor path. The assembly line (19) and return path (21) are divided into modules (2) of equal length and one or more pallets have the length of the module (2). The assembly line is locally fixed and the drive moves the pallets along the line. The return path (21) has successively mounted conveyor belts (22) each one module in length. At the end of the assembly line there is a lowering device (66) which lowers one pallet after the other onto the return path while a lift (54) at the front of the assembly line raises these pallets back up to the beginning of the line. ADVANTAGE - Smooth fast continuous cycle whereby new modules can be added or replaced anywhere without having to dismantle the entire system.
Patent DE-4091914-A1 (DE)
Title: Disposable duster made of soft paper
IPC: A47L13/16
Filed: 1990-11-08
Abstract: A disposable duster consists of a section of a natural fibre structure impregnated with wax. The structure is a soft paper which has been dyed a light colour or white, has open pores and consists of bulky pulp. The filler proportion is less than 10% and the wax is biodegradable and its hardness prevents it from being eroded from the paper. The wax can be a natural product, e.g. beeswax or carnauba, or a synthetically or chemically modified wax, pref. a paraffin, an oxidised polyethylene wax or a hydrated jojoba oil.
Patent DE-4105920-A1 (DE)
Title: Step truing device for stairways involving steps with same height and depth - entails withdrawal slide movable along guide rail with adjustable withdrawal rail corresp. to mass of step to be fitted
Inventor: DITTRICH H PETER
IPC: E04F21/26
Filed: 1991-02-26
Abstract: The guide rail (12) comprises two round bolts (13) tensioned at their ends in a plate (14). The plates (14) for adjustment of the step depth (b) have each a lever (16) acting on the positioning plate (3) of the stairs step stage. The withdrawn slide (10) and rail (11) are joined to one another via at least one guide bar (19) orientated parallel to the positioning plate (3), and the withdrawal rail (11) of the actual step height (C) correspondingly can be arrested relatively to the guide bar (19). The withdrawn rail (11) is pivotable relatively to the withdrawal slide (10) in the plane orientated vertically to the step surface. The rail (11) in the upper edge of the opposite are to the positioning plate (3) has a support with a slide surface, partic. a support roller. USE/ADVANTAGE - As a step stage truing device for stairway construction.
Patent DE-4108688-A1 (DE)
Title: Accurate object positioner using proportional EM actuator - has push=pull stages with laser measurement of displacement to supply data to control stages operating in MM range
Inventor: WOHLFROM JOSEF
IPC: G05B19/19
Filed: 1991-03-16
Abstract: A micropositioner, with a bandwidth of around 100 Hz, has rotationally symmetric armature (3) within a core (1). An airgap exists between the core and armature. Together with the windings (2,7) a pair of e.m. actuators is produced. At one end of the armature a mirror (10) is installed. The range of motion is in the millimetre range. A laser (12) is reflected off the mirror to provide measurement of the displacement and this provides feedback to regulating circuits (16,17) that adjust the excitation current to the coils. A digital processor (20) provides a reference value for the displacement. USE/ADVANTAGE - Provides high dynamic force over extremely small displacement range. Can dynamically correct position deviations caused by shaking of astronomical telescope.
Patent DE-4117519-A1 (DE)
Title: Support for heavy lathe - has boring and milling support between two tool slides accommodating different angular milling heads
Inventor: HELMER REINHARD
IPC: B23Q39/02
Filed: 1991-05-29
Abstract: The support for a heavy lathe has two tool slides (2). A boring and milling support (4) is incorporated between the slides. It can have a Y-pattern adjustment by a motor-driven screwed spindle (5) with recirculating balls. It can be arranged to accommodate different angular milling heads, and can be in one piece. ADVANTAGE - Heavy work such as rolls can be turned, milled and tapped in a single set-up on one machine.
Patent DE-4119135-A1 (DE)
Title: Linear ball bearing with ball cage made of plastics - has arrangement of longitudinal grooves t enable balls to circulate
Inventor: RABE JUERGEN DIPL ING
IPC: F16C29/06
Filed: 1991-06-11
Abstract: The linear ball bearing is designed to slide on a shaft (1) of circular cross-section. The bearing is constructed from a cage (2) which is made of plastics, and which is fitted inside a metal bush (3). The cage (2) consists of segments which are connected by curved strips (10) to form a one piece moulding. The segments are divided by pairs of interconnected longitudinal grooves, which form channels to receive the balls and enable them to circulate as the bearing moves along the shaft (1). USE/ADVANTAGE - Linear ball bearing with internal channels to enable the balls to circulate.
Patent DE-4120472-A1 (DE)
Title: Reduction of air flow resistance at car rear - uses delayed boundary layer entrained in flow direction in region of rounded wall sections
Inventor: WESSELS MICHAEL DIPL ING DR
IPC: B62D35/00
Filed: 1991-06-21
Abstract: The air flow resistance at the car rear is reduced by influencing the air flow path, in which rounded sections (5,6) are formed by rotary cylindrical drums (7,8) extending across the width of the vehicle. Cross-flow blowers (14,15) deliver air which is sucked via air inlets (16) provided on the sides of the vehicle to generate boundary layers, delyaed by the blown-in kinetic energy. ADVANTAGE - Increased efficiency with reduced energy application.